Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a first embodiment of a display screen or portion thereof with graphical user interface, showing our new design; and,

FIG. 2 is a front view of a second embodiment of a display screen or portion thereof with graphical user interface, showing our new design.

The outermost perimeter shown by dashed broken lines illustrates display screens or portions thereof and forms no part of the claimed design. The remaining dashed broken lines illustrating portions of the graphical user interface form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 